John dreamed that he was in a train that entered a tunnel. If a psychologist believed that the dream expressed John's unconscious sexual desires, the psychologist would likely be a _________

Use of existing sources of information; sources include statistical records, survey archives, and written records

What will be an ideal response?

Several decades ago, the gap between the IQ scores of African Americans and White Americans was estimated to be about 15 IQ points. Research from 2002 suggests that in 30 years that gap closed by about ________ points

a. 1 to 3 b. 2 to 5 c. 4 to 7 d. 7 to 10